
Reverse of above cover with various postmarks:



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Aero-philately is the study of the development of aviation through the medium of philately. |
The first hot air balloon license given to an Indian was to Mr. Vishwa Bandhu Gupta at Livermore,
‘Udan Khatola’, the first hot air balloon built by the Ballooning club of
To celebrate Air Mail Day, a Balloon flight carrying was organised on 16th November, 1973 during the International Philatelic Exhibition (Indipex-73) in




The first Christmas stamp was issued by Canada in December, 1898. It was not specifically a Christmas stamp but bore the inscription "XMAS 1898 and depicted the British Empire. Canada first issued stamps specifically for Christmas in 1964 and every year thereafter.
Next balloon flight activity was in 1970 when the Ballooning Club of India was inaugurated on 23rd November, 1970 by American astronaut Mr. Neil Armstrong, in Delhi. A Balloon flight in a hydrogen gas balloon ‘Nimbus’ piloted by the Dutch balloonists Jan Boesman and Nini Boseman with Mr. Vishwa Bandhu Gupta as the sole passenger, took off from Safdarganj Airport and landed at Kalazafargarh village on the outskirts of Delhi .
The flight was organised by the Aero Club of India to commemorate the centenary of the first balloon mail flight of the world in 1870 in Paris, France. Posts and Telegraph Department of India provided a pictorial cancellation to commemorate the occasion. Covers flown in the balloon bear the postmark of 21st November, 1970 and a special cachet in green showing actual date of the balloon flight on 23rd November, 1970.

